surface dynamometer card 地面示功图
By this method, when the surface dynamometer card is known, the dynagraph at the pump can be accurately determined;
用这种方法,在地面示功图已知时,可以精确地确定井下泵的示功图;
In this paper, a method is proposed to determine surface dynamometer CARDS by actual motor power curves and which has been used in the field.
本文提出了利用抽油井实测功率曲线计算示功图的方法,并将其应用于实际。
The results show that the predicting surface dynamometer card is consistent with the measured card and can be used to analyze the data of pumping Wells.
实例计算表明,预测示功图与实测示功图基本相符,可以用于分析抽油机井的工作状况。
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